go/loader: fix ExampleConfig_Import (fix build)

TBR=adonovan

Tested against 1.6, 1.7, and 1.8.

Change-Id: Ifd8e02a83e7b92c00a746f10475ab725801199e2
Reviewed-on: https://go-review.googlesource.com/32638
Run-TryBot: Robert Griesemer <gri@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
diff --git a/go/loader/example_test.go b/go/loader/example_test.go
index a5e5cfb..71f80fd 100644
--- a/go/loader/example_test.go
+++ b/go/loader/example_test.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build go1.6
+// +build go1.8 // TODO(adonovan) determine which versions we need to test here
 // +build !windows
 
 package loader_test
@@ -173,7 +173,7 @@
 	// created: [strconv_test]
 	// imported: [errors strconv unicode/utf8]
 	// initial: [errors strconv strconv_test unicode/utf8]
-	// all: [bufio bytes errors flag fmt internal/race io log math math/rand os reflect runtime runtime/debug runtime/internal/atomic runtime/internal/sys runtime/pprof runtime/trace sort strconv strconv_test strings sync sync/atomic syscall testing text/tabwriter time unicode unicode/utf8 unsafe]
+	// all: [bufio bytes errors flag fmt internal/race io log math math/rand os reflect runtime runtime/debug runtime/internal/atomic runtime/internal/sys runtime/trace sort strconv strconv_test strings sync sync/atomic syscall testing time unicode unicode/utf8 unsafe]
 	// strconv.Files: [atob.go atof.go atoi.go decimal.go doc.go extfloat.go ftoa.go isprint.go itoa.go quote.go internal_test.go]
 	// strconv_test.Files: [atob_test.go atof_test.go atoi_test.go decimal_test.go example_test.go fp_test.go ftoa_test.go itoa_test.go quote_test.go strconv_test.go]
 }